Erbijsommen tot 20
Erbijsommen
|
1.
20 + 0 =
20
6
|
2.
16 + 1 =
17
6
|
3.
2 + 4 =
6
11
|
4.
14 + 6 =
20
13
|
|
5.
19 + 0 =
6
19
|
6.
20 + 0 =
4
20
|
7.
9 + 8 =
11
17
|
8.
20 + 0 =
20
10
|
|
9.
5 + 6 =
9
11
|
10.
18 + 0 =
3
18
|
11.
8 + 10 =
13
18
|
12.
1 + 8 =
12
9
|
|
13.
6 + 14 =
15
20
|
14.
5 + 6 =
15
11
|
15.
9 + 4 =
8
13
|
16.
20 + 0 =
20
6
|
|
17.
14 + 4 =
18
6
|
18.
5 + 6 =
11
13
|
19.
11 + 0 =
7
11
|
20.
7 + 1 =
9
8
|